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Windows 7 hanging on login screen

post #1 of 15
Thread Starter 
I was just working on overclocking my new i7-2600k and I got a BSOD from low vcore in Prime 95. Now Windows 7 just hangs on the login screen. I can login to safe mode fine so I ran CCleaner and rebooted, but it still hangs on the login screen when I try to boot into normal mode. Then I tried running the Repair Windows from the boot disk and it doesn't detect any errors.

Does anyone know anything else I can try before having to reinstall Windows?

Any help is greatly appreciated.
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post #2 of 15
Did you add more vcore after you got the BSOD? If you did and that didnt help then try clearing bios and rebooting. That should do the trick to get you back into Windows. Then retry your OC.
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post #3 of 15
Start safe mode. Add another user. Restart and try to log with the new user.
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post #4 of 15
You can run a CHKDSK /f /b /r; as well as SFC /scannow in safe mode to see if it can repair any file system errors.

Otherwise, you'll need to adjust your voltages I would assume. When my voltages were short (AMD though) on my CPU/NB, I would hang at the Windows 7 logo.
    
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by no_safe_HAVEN View Post
Did you add more vcore after you got the BSOD? If you did and that didnt help then try clearing bios and rebooting. That should do the trick to get you back into Windows. Then retry your OC.
Yes I added more vcore after the BSOD and then Windows started hanging on the login screen. I was at 4.8GHz and 1.42 vcore. I didn't actually clear the CMOS on the motherboard, but I did reset the BIOS back to default and it didn't help at all.
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post #6 of 15
Thread Starter 
Quote:
Originally Posted by Captaincaveman View Post
Start safe mode. Add another user. Restart and try to log with the new user.
I don't think this would work because I'm frozen on login screen before I could change anything.

Quote:
Originally Posted by GanjaSMK View Post
You can run a CHKDSK /f /b /r; as well as SFC /scannow in safe mode to see if it can repair any file system errors.

Otherwise, you'll need to adjust your voltages I would assume. When my voltages were short (AMD though) on my CPU/NB, I would hang at the Windows 7 logo.
CHKDSK /f /b /r is running now.

I also tried a clear CMOS on the motherboard now, no luck with that either.

Thanks for all the suggestions so far everyone.
Edited by LastBucsfan - 10/21/11 at 8:50pm
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post #7 of 15
Wow. I'm surprised clearing and starting over didn't work. Try manually going in and resetting everything back to your settings of your last successful boot. Boot from your windows disk and run a repair.

Swyped from my Gingerbread house.
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by no_safe_HAVEN View Post
Wow. I'm surprised clearing and starting over didn't work. Try manually going in and resetting everything back to your settings of your last successful boot. Boot from your windows disk and run a repair.

Swyped from my Gingerbread house.

Tried both of those already too.
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post #9 of 15
Thread Starter 
I tried CHKDSK and it went all the way through fine, rebooted and started hanging again at the login screen. This time I can't get into the Safe Mode command prompt anymore.... am I screwed now?
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post #10 of 15
Use your Windows 7 disc to boot to a command prompt or repair module, then run sfc /scannow - if you already haven't.
    
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